Patents by Inventor Helwig Heinrich Daum

Helwig Heinrich Daum has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • CLEAR TRANSPARENT ANTI-FOG MULTI-LAYER FILM
    Publication number: 20130164551
    Abstract: A clear, transparent anti-fog multi-layer film with improved resistance to delamination and desirable functional endurance, which includes at least one sealing layer that contains an anti-fog additive made of a polyolefin/anti-fog agent mixture, at least one anti-fog agent barrier layer containing 80-100% propylene, and at least one outer layer.
    Type: Application
    Filed: April 11, 2011
    Publication date: June 27, 2013
    Applicant: KOBUSCH-SENGEWALD GMBH
    Inventor: Helwig Heinrich Daum